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Finding the Fourth Proportional to 76,028.52, 104,917.73 and 42,038.44

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Solution

The fourth proportional to 76,028.52, 104,917.73 and 42,038.44 is: 58,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,028.52 : 104,917.73 = 42,038.44 : x
  2. Step 2: Convert to fraction form
    76,028.52/104,917.73 = 42,038.44/x
  3. Step 3: Cross multiply
    76,028.52x = 104,917.73 × 42,038.44
  4. Step 4: Simplify right side
    76,028.52x = 4,410,578,051.68
  5. Step 5: Solve for x
    x = 4,410,578,051.68/76,028.52
  6. Step 6: Final answer
    x = 58,012.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.